C 2500 Suburban 2WD V8-6.5L DSL Turbo VIN F (1995)
Poor Lubricity
The 6.5L diesel and the 6.6L Duramax(R) Diesel engines are designed to operate on today's low sulfur fuel without the use of additives. A fuel additive
designed to increase lubricity is not a fix for poor quality or contaminated fuel, but some customers may desire to use a lubricity additive to aid in the
longevity of their fuel system components. If such an additive is to be used, it must not contain alcohol or other water emulsifiers.
Fuel Source Issue
If a vehicle is properly maintained but has fuel contamination issues, consider obtaining fuel from a different source. Purchasing fuel from a high volume
fuel retailer increases the chance that the fuel is fresh and of good quality.
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